Question
(Section 9.2 # 37) A test is made of H 0 : = 130 versus H 1 : 130. A sample of size n =
(Section 9.2 # 37)
A test is made ofH0:= 130 versusH1: 130. A sample of sizen= 63 is drawn, and= 135. The population standard deviation is= 40.
a.
Compute the value of the test statisticz.
b.
IsH0rejected at the= 0.05 level?
c.
IsH0rejected at the= 0.01 level?
Section 9.2 # 35.
A test is made ofH0:= 50 versusH1: >50. A sample of sizen= 75 is drawn, and= 56. The population standard deviation is= 20.
a.
Compute the value of the test statisticz.
b.
IsH0rejected at the= 0.05 level?
c.
IsH0rejected at the= 0.01 level?
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Practical Linear Algebra A Geometry Toolbox
Authors: Gerald Farin, Dianne Hansford
4th Edition
1003051219, 9781003051213
